import type {
  SyncBlock,
  SyncLog,
  SyncTrace,
  SyncTransaction,
  SyncTransactionReceipt,
} from "@/internal/types.js";
import { toLowerCase } from "@/utils/lowercase.js";
import {
  http,
  type Address,
  type Hex,
  createWalletClient,
  encodeFunctionData,
  encodeFunctionResult,
  multicall3Abi,
  numberToHex,
} from "viem";
import Erc20Bytecode from "./contracts/out/ERC20.sol/ERC20.json";
import FactoryBytecode from "./contracts/out/Factory.sol/Factory.json";
import RevertBytecode from "./contracts/out/Revert.sol/Revert.json";
import { erc20ABI, factoryABI, pairABI, revertABI } from "./generated.js";
import { anvil, publicClient, testClient } from "./utils.js";

/** Deploy Erc20 contract and mine block. */
export const deployErc20 = async (params: { sender: Address }): Promise<{
  address: Address;
}> => {
  const walletClient = createWalletClient({
    chain: anvil,
    transport: http(),
    account: params.sender,
  });

  const hash = await walletClient.deployContract({
    abi: erc20ABI,
    bytecode: Erc20Bytecode.bytecode.object as Hex,
    args: ["name", "symbol", 18],
  });

  await testClient.mine({ blocks: 1 });
  const { contractAddress } = await publicClient.getTransactionReceipt({
    hash,
  });

  return { address: contractAddress! };
};

/** Deploy Factory contract and mine block. */
export const deployFactory = async (params: { sender: Address }): Promise<{
  address: Address;
}> => {
  const walletClient = createWalletClient({
    chain: anvil,
    transport: http(),
    account: params.sender,
  });

  const hash = await walletClient.deployContract({
    abi: factoryABI,
    bytecode: FactoryBytecode.bytecode.object as Hex,
  });

  await testClient.mine({ blocks: 1 });
  const { contractAddress } = await publicClient.getTransactionReceipt({
    hash,
  });

  return { address: contractAddress! };
};

/** Deploy Revert contract and mine block. */
export const deployRevert = async (params: { sender: Address }): Promise<{
  address: Address;
}> => {
  const walletClient = createWalletClient({
    chain: anvil,
    transport: http(),
    account: params.sender,
  });

  const hash = await walletClient.deployContract({
    abi: revertABI,
    bytecode: RevertBytecode.bytecode.object as Hex,
  });

  await testClient.mine({ blocks: 1 });
  const { contractAddress } = await publicClient.getTransactionReceipt({
    hash,
  });

  return { address: contractAddress! };
};

export const deployMulticall = async (params: { sender: Address }): Promise<{
  address: Address;
}> => {
  const walletClient = createWalletClient({
    chain: anvil,
    transport: http(),
    account: params.sender,
  });

  const hash = await walletClient.deployContract({
    abi: multicall3Abi,
    bytecode:
      "0x608060405234801561001057600080fd5b50610ee0806100206000396000f3fe6080604052600436106100f35760003560e01c80634d2301cc1161008a578063a8b0574e11610059578063a8b0574e1461025a578063bce38bd714610275578063c3077fa914610288578063ee82ac5e1461029b57600080fd5b80634d2301cc146101ec57806372425d9d1461022157806382ad56cb1461023457806386d516e81461024757600080fd5b80633408e470116100c65780633408e47014610191578063399542e9146101a45780633e64a696146101c657806342cbb15c146101d957600080fd5b80630f28c97d146100f8578063174dea711461011a578063252dba421461013a57806327e86d6e1461015b575b600080fd5b34801561010457600080fd5b50425b6040519081526020015b60405180910390f35b61012d610128366004610a85565b6102ba565b6040516101119190610bbe565b61014d610148366004610a85565b6104ef565b604051610111929190610bd8565b34801561016757600080fd5b50437fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0140610107565b34801561019d57600080fd5b5046610107565b6101b76101b2366004610c60565b610690565b60405161011193929190610cba565b3480156101d257600080fd5b5048610107565b3480156101e557600080fd5b5043610107565b3480156101f857600080fd5b50610107610207366004610ce2565b73ffffffffffffffffffffffffffffffffffffffff163190565b34801561022d57600080fd5b5044610107565b61012d610242366004610a85565b6106ab565b34801561025357600080fd5b5045610107565b34801561026657600080fd5b50604051418152602001610111565b61012d610283366004610c60565b61085a565b6101b7610296366004610a85565b610a1a565b3480156102a757600080fd5b506101076102b6366004610d18565b4090565b60606000828067ffffffffffffffff8111156102d8576102d8610d31565b60405190808252806020026020018201604052801561031e57816020015b6040805180820190915260008152606060208201528152602001906001900390816102f65790505b5092503660005b8281101561047757600085828151811061034157610341610d60565b6020026020010151905087878381811061035d5761035d610d60565b905060200281019061036f9190610d8f565b6040810135958601959093506103886020850185610ce2565b73ffffffffffffffffffffffffffffffffffffffff16816103ac6060870187610dcd565b6040516103ba929190610e32565b60006040518083038185875af1925050503d80600081146103f7576040519150601f19603f3d011682016040523d82523d6000602084013e6103fc565b606091505b50602080850191909152901515808452908501351761046d577f08c379a000000000000000000000000000000000000000000000000000000000600052602060045260176024527f4d756c746963616c6c333a2063616c6c206661696c656400000000000000000060445260846000fd5b5050600101610325565b508234146104e6576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601a60248201527f4d756c746963616c6c333a2076616c7565206d69736d6174636800000000000060448201526064015b60405180910390fd5b50505092915050565b436060828067ffffffffffffffff81111561050c5761050c610d31565b60405190808252806020026020018201604052801561053f57816020015b606081526020019060019003908161052a5790505b5091503660005b8281101561068657600087878381811061056257610562610d60565b90506020028101906105749190610e42565b92506105836020840184610ce2565b73ffffffffffffffffffffffffffffffffffffffff166105a66020850185610dcd565b6040516105b4929190610e32565b6000604051808303816000865af19150503d80600081146105f1576040519150601f19603f3d011682016040523d82523d6000602084013e6105f6565b606091505b5086848151811061060957610609610d60565b602090810291909101015290508061067d576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601760248201527f4d756c746963616c6c333a2063616c6c206661696c656400000000000000000060448201526064016104dd565b50600101610546565b5050509250929050565b43804060606106a086868661085a565b905093509350939050565b6060818067ffffffffffffffff8111156106c7576106c7610d31565b60405190808252806020026020018201604052801561070d57816020015b6040805180820190915260008152606060208201528152602001906001900390816106e55790505b5091503660005b828110156104e657600084828151811061073057610730610d60565b6020026020010151905086868381811061074c5761074c610d60565b905060200281019061075e9190610e76565b925061076d6020840184610ce2565b73ffffffffffffffffffffffffffffffffffffffff166107906040850185610dcd565b60405161079e929190610e32565b6000604051808303816000865af19150503d80600081146107db576040519150601f19603f3d011682016040523d82523d6000602084013e6107e0565b606091505b506020808401919091529015158083529084013517610851577f08c379a000000000000000000000000000000000000000000000000000000000600052602060045260176024527f4d756c746963616c6c333a2063616c6c206661696c656400000000000000000060445260646000fd5b50600101610714565b6060818067ffffffffffffffff81111561087657610876610d31565b6040519080825280602002602001820160405280156108bc57816020015b6040805180820190915260008152606060208201528152602001906001900390816108945790505b5091503660005b82811015610a105760008482815181106108df576108df610d60565b602002602001015190508686838181106108fb576108fb610d60565b905060200281019061090d9190610e42565b925061091c6020840184610ce2565b73ffffffffffffffffffffffffffffffffffffffff1661093f6020850185610dcd565b60405161094d929190610e32565b6000604051808303816000865af19150503d806000811461098a576040519150601f19603f3d011682016040523d82523d6000602084013e61098f565b606091505b506020830152151581528715610a075780516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  });

  await testClient.mine({ blocks: 1 });
  const { contractAddress } = await publicClient.getTransactionReceipt({
    hash,
  });

  return { address: contractAddress! };
};

/** Create pair and mine block. */
export const createPair = async (params: {
  factory: Address;
  sender: Address;
}): Promise<{
  address: Address;
  block: SyncBlock;
  transaction: SyncTransaction;
  transactionReceipt: SyncTransactionReceipt;
  log: SyncLog;
}> => {
  const walletClient = createWalletClient({
    chain: anvil,
    transport: http(),
    account: params.sender,
  });

  const { result, request } = await publicClient.simulateContract({
    abi: factoryABI,
    functionName: "createPair",
    address: params.factory,
  });

  const hash = await walletClient.writeContract(request);

  await testClient.mine({ blocks: 1 });

  const block = await publicClient.request({
    method: "eth_getBlockByNumber",
    params: ["latest", true],
  });
  const receipt = await publicClient.request({
    method: "eth_getTransactionReceipt",
    params: [hash],
  });

  return {
    address: toLowerCase(result),
    block: block! as SyncBlock,
    transaction: block!.transactions[0]! as SyncTransaction,
    transactionReceipt: receipt!,
    log: receipt!.logs[0]!,
  };
};

/** Mint Erc20 tokens and mine block. */
export const mintErc20 = async (params: {
  erc20: Address;
  to: Address;
  amount: bigint;
  sender: Address;
}): Promise<{
  block: SyncBlock;
  log: SyncLog;
  transaction: SyncTransaction;
  transactionReceipt: SyncTransactionReceipt;
}> => {
  const walletClient = createWalletClient({
    chain: anvil,
    transport: http(),
    account: params.sender,
  });

  const hash = await walletClient.writeContract({
    abi: erc20ABI,
    functionName: "mint",
    address: params.erc20,
    args: [params.to, params.amount],
  });

  await testClient.mine({ blocks: 1 });

  const block = await publicClient.request({
    method: "eth_getBlockByNumber",
    params: ["latest", true],
  });
  const receipt = await publicClient.request({
    method: "eth_getTransactionReceipt",
    params: [hash],
  });

  return {
    block: block! as SyncBlock,
    transaction: block!.transactions[0]! as SyncTransaction,
    transactionReceipt: receipt!,
    log: receipt!.logs[0]!,
  };
};

/** Transfer Erc20 tokens and mine block. */
export const transferErc20 = async (params: {
  erc20: Address;
  to: Address;
  amount: bigint;
  sender: Address;
}): Promise<{
  block: SyncBlock;
  transaction: SyncTransaction;
  transactionReceipt: SyncTransactionReceipt;
  trace: SyncTrace;
  log: SyncLog;
}> => {
  const walletClient = createWalletClient({
    chain: anvil,
    transport: http(),
    account: params.sender,
  });

  const hash = await walletClient.writeContract({
    abi: erc20ABI,
    functionName: "transfer",
    address: params.erc20,
    args: [params.to, params.amount],
  });

  await testClient.mine({ blocks: 1 });

  const block = await publicClient.request({
    method: "eth_getBlockByNumber",
    params: ["latest", true],
  });
  const receipt = await publicClient.request({
    method: "eth_getTransactionReceipt",
    params: [hash],
  });

  const trace = {
    trace: {
      type: "CALL",
      from: params.sender,
      to: params.erc20,
      gas: "0x0",
      gasUsed: "0x0",
      input: encodeFunctionData({
        abi: erc20ABI,
        functionName: "transfer",
        args: [params.to, params.amount],
      }),
      output: encodeFunctionResult({
        abi: erc20ABI,
        functionName: "transfer",
        result: true,
      }),
      value: "0x0",
      index: 0,
      subcalls: 0,
    },
    transactionHash: hash,
  } satisfies SyncTrace;

  return {
    block: block! as SyncBlock,
    transaction: block!.transactions[0]! as SyncTransaction,
    transactionReceipt: receipt! as SyncTransactionReceipt,
    trace,
    log: receipt!.logs[0]!,
  };
};

/** Swap tokens in pair and mine block. */
export const swapPair = async (params: {
  pair: Address;
  amount0Out: bigint;
  amount1Out: bigint;
  to: Address;
  sender: Address;
}): Promise<{
  block: SyncBlock;
  transaction: SyncTransaction;
  transactionReceipt: SyncTransactionReceipt;
  trace: SyncTrace;
  log: SyncLog;
}> => {
  const walletClient = createWalletClient({
    chain: anvil,
    transport: http(),
    account: params.sender,
  });

  const hash = await walletClient.writeContract({
    abi: pairABI,
    functionName: "swap",
    address: params.pair,
    args: [params.amount0Out, params.amount1Out, params.to],
  });

  await testClient.mine({ blocks: 1 });

  const block = await publicClient.request({
    method: "eth_getBlockByNumber",
    params: ["latest", true],
  });
  const receipt = await publicClient.request({
    method: "eth_getTransactionReceipt",
    params: [hash],
  });

  const trace = {
    trace: {
      type: "CALL",
      from: params.sender,
      to: params.pair,
      gas: "0x0",
      gasUsed: "0x0",
      input: encodeFunctionData({
        abi: pairABI,
        functionName: "swap",
        args: [params.amount0Out, params.amount1Out, params.to],
      }),
      output: undefined,
      value: "0x0",
      index: 0,
      subcalls: 0,
    },
    transactionHash: hash,
  } satisfies SyncTrace;

  return {
    block: block! as SyncBlock,
    transaction: block!.transactions[0]! as SyncTransaction,
    transactionReceipt: receipt! as SyncTransactionReceipt,
    trace,
    log: receipt!.logs[0]!,
  };
};

/** Transfer native tokens and mine block. */
export const transferEth = async (params: {
  to: Address;
  amount: bigint;
  sender: Address;
}): Promise<{
  block: SyncBlock;
  transaction: SyncTransaction;
  transactionReceipt: SyncTransactionReceipt;
  trace: SyncTrace;
}> => {
  const walletClient = createWalletClient({
    chain: anvil,
    transport: http(),
    account: params.sender,
  });

  const hash = await walletClient.sendTransaction({
    to: params.to,
    value: params.amount,
  });

  await testClient.mine({ blocks: 1 });

  const block = await publicClient.request({
    method: "eth_getBlockByNumber",
    params: ["latest", true],
  });
  const receipt = await publicClient.request({
    method: "eth_getTransactionReceipt",
    params: [hash],
  });

  const trace = {
    trace: {
      type: "CALL",
      from: params.sender,
      to: params.to,
      gas: "0x0",
      gasUsed: "0x0",
      input: "0x",
      output: undefined,
      value: numberToHex(params.amount),
      index: 0,
      subcalls: 0,
    },
    transactionHash: hash,
  } satisfies SyncTrace;

  return {
    block: block! as SyncBlock,
    transaction: block!.transactions[0]! as SyncTransaction,
    transactionReceipt: receipt! as SyncTransactionReceipt,
    trace,
  };
};

export const simulateBlock = async (): Promise<{ block: SyncBlock }> => {
  await testClient.mine({ blocks: 1 });

  const block = await publicClient.request({
    method: "eth_getBlockByNumber",
    params: ["latest", true],
  });

  return { block: block! as SyncBlock };
};
